Microscopes

• How do we calculate the total magnification of a microscope

  Eyepiece lens X objective lens magnifying power
• State the equation that links magnification image size and actual size

  I=AM
• which objective lens should we start using

  Low power objective lens
• Which focus knob should be used during high power magnification

  Fine focus knob
• Which type of focus knob should be used during low and medium power magnification

  Coarse focus knob